Network engineer

Network & Security Engineer (NOC Team)


📍 Brussels, Belgium | 🏛️ European Institution | Hybrid Working


We are currently looking for an experienced Network & Security Engineer to join the NOC (Network Operations Center) team of a major European governmental institution in Brussels.

This position combines both Network Engineering and Network Security Engineering responsibilities within a large-scale international enterprise environment connecting headquarters, data centers, and worldwide delegations.



🔎 Your Role


You will be responsible for ensuring the availability, security, and performance of critical network infrastructure across multiple international sites.


Your responsibilities include:


• Monitoring and managing enterprise LAN/WAN infrastructure

• Supporting and troubleshooting complex network and security incidents

• Managing Cisco-based network environments across HQ and international delegations

• Operating and maintaining Palo Alto firewalls and F5 VPN infrastructure

• Supporting WiFi environments based on Aruba technologies

• Working with Cisco DNAC and Cisco ACI environments

• Participating in infrastructure rollouts, migrations, upgrades, and operational improvements

• Providing 2nd line operational support within the NOC team

• Drafting operational procedures and technical documentation

• Ensuring operations follow ITIL best practices (Incident / Change / Problem Management)



🛠️ Technical Environment


• Cisco Switching & Routing

• Cisco DNAC

• Cisco ACI (Data Center)

• Palo Alto Firewalls

• F5 VPN and Load Balancing

• Aruba WiFi Infrastructure

• Cisco Switching

• Windows Server & Active Directory

• Enterprise LAN/WAN environments



✅ Your Profile


• minimum of 6 years of experience in Network & Security Engineering

• Strong hands-on expertise with Cisco networking technologies

• Experience with Palo Alto firewalls and F5 solutions

• Experience within enterprise or mission-critical environments

• Cisco ACI experience is considered a major plus

• Aruba WiFi experience is a strong asset

• Fluent in English



🎓 Certifications


At least one relevant certification is required:


• CCNA / CCNP / CCIE

• Palo Alto, F5 or Juniper certifications

• Network Security certifications (SANS is a plus)

• SD-WAN or Splunk certifications are considered advantageous



🕒 Working Model


• Hybrid setup: 3 days onsite / 2 days remote

• Monday to Friday only (no weekend work)

• Rotating shifts between:

Office shifts

• 08:00 – 16:30

• 10:00 – 18:30

Remote shifts

• 07:00 – 15:30

• 11:30 – 20:00



🔐 Security Clearance


Candidates must possess — or be eligible to obtain — a valid EU SECRET security clearance (or equivalent national clearance issued by an EU Member State).



📅 Additional Information


• Start Date: ASAP

• Long-term freelance assignment with possible extensions

• Location: Brussels

Interested or know someone who could be a fit? Feel free to reach out directly.